L. F. TOAPANTA RAMOS, G. A. Bohórquez Peñafiel, L. E. Caiza Vivas, and W. Quitiaquez Sarzosa, “Numerical analysis of the speed profiles of a water flow through a gradual reduction pipe”, Enfoque UTE, vol. 9, no. 3, pp. pp. 80 - 92, Sep. 2018.